Doom I AND Doom ][ DeathMatch only level. Because it's compatible with both games it doesn't matter which game everyone uses. (fe: you could deathmatch with someone using doom 1 while you use doom 2)

Designed with dm 1.0 in mind, there are no power ups, all weapons are in interesting places, there are NO power weapons (BFG, Plasma, SuperShotgun) and some thought actually went into the design, it was NOT just thrown together.